| George Clooney | Maj. Archie Gates |
| Mark Wahlberg | Sfc. Troy Barlow |
| Ice Cube | SSgt. Chief Elgin |
| Spike Jonze | Pfc. Conrad Vig |
| Cliff Curtis | Amir Abdullah |
| Nora Dunn | Adriana Cruz |
| Jamie Kennedy | PV2 Walter Wogaman |
| Saïd Taghmaoui | Capt. Said |
| Mykelti Williamson | Col. Horn |
| Holt McCallany | Capt. Van Meter |
| Judy Greer | Cathy Daitch |
| Christopher Lohr | Teebaux |
| Jon Sklaroff | Paco |
| Liz Stauber | Debbie Barlow (Troy's wife) |
| Marsha Horan | Amir's wife |
| Alia Shawkat | Amir's daughter |
| Jabir Algarawi | Hairdressing twin #1 |
| Ghanem Algarawi | Hairdressing twin #2 |
| Bonnie Afsary | Western dressed village woman |
| Jacqueline Abi-Ad | Traditional village woman |
| Fadil Al-Badri | Deserter leader |
| Al No'mani | Kaied |
| Sayed Badreya | Iraqi tank major |
| Magdi Rashwan | Iraqi troop carrier major |
| Alex Dodd | Iraqi first kill soldier |
| Larry 'Tank' Jones | Berm. soldier/truck driver |
| Patrick O'Neal Jones | Berm. soldier |
| Shawn Pilot | Berm. soldier |
| Brett Bassett | Berm. soldier |
| Jim Gaffigan | Cut Troy's Cuff Soldier |
| Al Whiting | Camp soldier/truck driver |
| Brian Patterson | Camp soldier/truck driver |
| Scott Dillon | Camp soldier |
| Kwesi Okai Hazel | Camp soldier |
| Joseph Richard Romanov | Camp soldier |
| Christopher B. Duncan | Camp soldier |
| Randy W. McCoy | Camp soldier |
| Mark Rhodes | Camp soldier |
| Scott Pearce | Camp soldier |
| Gary Parker | Civil affairs company clerk |
| Haidar Alatowa | Saudi translator |
| Salah Salea | Iraqi soldier with map |
| Doug Jones | Dead Iraqi soldier |
| Farinaz Farrokh | Iraqi civilian mother with baby |
| Omar 'Freefly' Alhegelan | Bunker #1 lying Iraqi |
| Hassan Allawati | Bunker #1 friendly Iraqi |
| Sara Aziz | Pleading civilian woman |
| A. Halim Mostafa | Iraqi civilian man |
| Al Mustafa | Bunker #2 Storeroom captain |
| Anthony Batarse | Iraqi interrogation sergeant |
| Mohamad Al-Jalahma | Bunker #2 Iraqi rifle loader #1 |
| Mohammed Sharafi | Bunker #2 Iraqi rifle loader #2 |
| Hillel Michael Shamam | Bunker #2 Storeroom guard |
| Joey Naber | Iraqi radio operator |
| Basim Ridha | Black robe leader |
| Peter Macdissi | Oasis Bunker Iraqi Republican Guard Lieutenant |
| Tony Shawkat | Oasis Bunker Iraqi Republican Guard sergeant |
| Joseph Abi-Ad | Oasis Bunker Iraqi Republican Guard sergeant |
| Fahd Al-Ujaimy | Oasis Bunker Troy's interrogation guard |
| Derick Qaqish | Oasis bunker Troy's interrogation guard |
| Hassan Bach-Agha | Oasis Bunker Troy's Republican Guard |
| Fadi Sitto | Oasis Bunker Troy's Republican Guard |
| Ali Alkind | Deserter #1 |
| Abdullah Al-Dawalem | Deserter #2 |
| Rick Mendoza | Deserter #3 |
| Jassim Al-Khazraji | Oasis bunker Republican Goard on roof |
| Haider Alkindi | Oasis bunker fleeing Republican Guard |
| Kalid Mustafa | Oasis bunker fleeting Republican Guard |
| Ghazwyn Ramlawi | Oasis bunker fleeing Republican Guard |
| Raad Thomasian | Oasis bunker fleeing Republican Guard |
| Wessam Saleh | Oasis bunker fleeting Republican Guard |
| Jay Giannone | Oasis bunker fleeting Republican Guard/sniper |
| Sam Hassan | Oasis bunker fleeting Republican Guard/sniper |
| Brian Bosworth | Action Star |
| Donte Delila | Iraqi child |
| Dylan Brown | Iraqi child |
| Pete Antico | Oasis Bunker Republican Guard/Shooter |
| Anthony Azizi | Iraqi rebel |
| Brad Martin | Military film actor |
| Jose Rosete | Well Guard |
| Sean Michael Boozer | Black Robe leader |
| Ben Bray | Soldier with stack of Levi's |
| Cheryl Rusa | Iraqi villager |
